Add search-prev and bind N to it

TODO

@@ -61,7 +61,6 @@ Improvements / minor features
 - Zoom with ctrl + mousewheel
 - Close tabs on right click
 - Up/Down not for history
-- N for prev search match
 - search highlighting
 - readline like shortcuts (like C-w) for command prompt
 - max height for completion (be smaller if possible)

qutebrowser/commands/managers.py

@@ -129,6 +129,29 @@ class SearchManager(QObject):
             for _ in range(count):
                 self.do_search.emit(self._text, self._flags)
 
+    @cmdutils.register(instance='searchmanager', hide=True)
+    def search_prev(self, count=1):
+        """Continue the search to the ([count]th) previous term.
+
+        Args:
+            count: How many elements to ignore.
+
+        Emit:
+            do_search: If a search should be started.
+        """
+        if self._text is None:
+            return
+        # The int() here serves as a QFlags constructor to create a copy of the
+        # QFlags instance rather as a reference. I don't know why it works this
+        # way, but it does.
+        flags = int(self._flags)
+        if flags & QWebPage.FindBackward:
+            flags &= ~QWebPage.FindBackward
+        else:
+            flags |= QWebPage.FindBackward
+        for _ in range(count):
+            self.do_search.emit(self._text, flags)
+
 
 class CommandManager:
 

qutebrowser/config/configdata.py

@@ -619,6 +619,7 @@ DATA = OrderedDict([
         ('gg', 'scroll-perc-y 0'),
         ('G', 'scroll-perc-y'),
         ('n', 'search-next'),
+        ('N', 'search-prev'),
         ('i', 'enter-mode insert'),
         ('yy', 'yank'),
         ('yY', 'yank sel'),